She's played a killer robot, a super-soldier and a couple of types of mutants... but how did it take this long for Summer Glau to play an elf? At last, the wait is over! Also, Victoria's Secret is done with superhero costumes and they're doing some kind of "nightmare circus" look. Neil Patrick Harris helps to judge the best video games of the past decade. Star Wars: The Clone Wars is doing a special tribute to Moebius. And much, much more!

Check out tons of clips and details for this week's television, below.

Today:

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Adventure Time (7:30 PM, Cartoon Network):
How could this show get any more surreal? Here's how. Check out a clip of Finn playing with teeny versions of everybody in Ooo, including the "C-list" characters:

"All the Little People"– Magic Man secretly slips Finn a bag filled with miniature versions of Finn and all his friends.

Then at 8 PM, there's a special half-hour Regular Show, featuring the voice of Ed Asner. Plus a new Annoying Orange.

Also on TV tonight: A new episode of Doomsday Preppers on National Geographic at 8 PM. There's a new Castle on ABC at 10 PM.

Tuesday:

The Victoria's Secret Fashion Show (CBS, 10 PM):
Only really notable because there are usually some truly ludicrous examples of either superhero costumes or fantasy/fairytale costumes, and it's sort of a bellwether for our current obsessions and just how wrong they can go. This time around, the costumes include a whole "circus" segment. I'm guessing maybe the part where a model wears a controversial Native American headdress won't be televised. Featuring Justin Bieber and Rihanna!

Also on TV tonight: There's a new Amazing World of Gumball at 7 PM on Cartoon Network, followed by a new Looney Tunes Show at 7:30 and a new Level Up! at 8.
And Science is showing three hours of Fringe from 8 to 11. Plus a new Doomsday Preppers on National Geographic at 9 PM, and also a new Mankind: The Story of All of Us on History Channel at 9 PM. And a new episode of Leverage on TNT at 10 PM.

Wednesday:

Arrow (8 PM, The CW):
The television version of Ollie seems determined to make the comics version seem rational and sane by comparison:

ARROW AND THE HUNTRESS TEAM UP - As Oliver (Stephen Amell) and Helena (guest star Jessica DeGouw) grow closer, Oliver trains her to be his ally, complete with showing her how to use a crossbow. Diggle (David Ramsey) disapproves of Oliver sharing his secret with Helena as he's not sure she can be trusted, but Oliver refuses to listen to his concerns. Helena's quest for revenge proves to be too strong for Oliver to handle after she kills the head of the Triad and all hell breaks loose.

"When Lightening Strikes" – The Vikings of Berk suspect the dragons may be causing lightning storms in the village.

The Neighbors (8:30 PM, ABC):
God help us. This show is doing a "Christmas Carol" episode.

"Merry Crap-Mas" - The Weavers ask the Bird-Kersees to hide the multitude of Christmas gifts they've purchased for Amber, Max and Abby. But when Marty and Debbie are put off by their kids' entitled attitude towards the holiday, they decide to return all the gifts and put the money toward a family vacation where they can focus on the true meaning of the holiday. There's just one problem: Larry Bird has opened one of their gifts, spawning a frenzy of gift opening among the aliens and leaving the Weavers with no gifts and no way to pay for the trip. Can alien "Scrooge" Larry Bird save Christmas for the Weavers?

Supernatural (9 PM, The CW):
Check out a clip! It's the midseason finale, and at last, we're getting back to the Benny storyline. Let's just hope there are more gauzy flashbacks of Sam and Amelia and their little dog, too.

SAM PUTS A TRACKER ON BENNY - Sam (Jared Padalecki) asks a hunter named Martin (guest star Jon Gries) to keep an eye on Benny (guest star Ty Olsson) without telling Dean (Jensen Ackles). However, when Martin tells Sam there was a vampire kill and he thinks Benny is responsible, Dean defends his friend. When Martin decides to take things into his own hands, things get messy and Dean is forced to make a very hard decision.

American Horror Story: Asylum (10 PM, FX):
So now this show has Nazis, aliens, demons, angels, serial killers and about 10 other things. What's left? Oh yes: Evil Santa Claus. Played by Ian McShane!

"Unholy Night" - A murderous Santa wreaks havoc on Briarcliff. Sister Jude faces off with the Devil. Arden has a shocking encounter in the Death Chute.

Also on TV tonight: There's a brand new Dark Matters: Twisted But True at 9 PM on Science.

Thursday:

The Vampire Diaries (8 PM, The CW):
Check out a new clip at left. Yay, Damon and Stefan roadtrip! And more flashbacks, hopefully with silly hair.

A FLASHBACK TO NEW ORLEANS IN 1942 - When Stefan (Paul Wesley) confronts Damon (Ian Somerhalder) with a suspicion about Elena (Nina Dobrev), Damon has no choice but to help Stefan investigate. Searching for answers, Damon and Stefan visit modern day New Orleans to see if they can find anyone who remembers the events of their last visit in 1942, including one of Damon's former flames, Charlotte (guest star Madeline Zima). Elena, Caroline (Candice Accola) and Bonnie (Kat Graham) share a girls' night while the Salvatore brothers are out of town, and emotions run high when Elena delivers some shocking news. At Hayley's (guest star Phoebe Tonkin) urging, Tyler (Michael Trevino) confronts one of Klaus' hybrids, Kimberly (guest star Alyssa Diaz), and the situation quickly escalates into violence. Finally, Damon is faced with a heartbreaking decision.

"Cinderella Liberty" — The crew of the Colorado wait for a goodwill visit from their families, a visit that will soon turn into a nightmare as Marcus must consider the unthinkable once again. Meanwhile, the true reason for the nuclear devastation in Pakistan is revealed.

Person of Interest (9 PM, CBS):
Still one of my favorite shows. And this time around, they're finding a brand new way to create a surveillance challenge for the surveillance superheroes.

"C.O.D." - Finch and Reese's surveillance skills are pushed to the limit when a New York City cab driver's number comes up and any one of his passengers could be involved in the impending crime.

Beauty and the Beast (9 PM, The CW):
New clip at left! Does watching this show put you into a fugue state? Now you can watch Vincent be in one too!

JT (Austin Basis) suspects that Catherine (Kristin Kreuk) is the trigger of Vincent's (Jay Ryan) blackouts, so to disprove this theory, Vincent allows JT to inject him with endorphins and sedatives that force him into a fugue state. In flashback, Vincent recalls his time in Afghanistan when he received his first super soldier shot, and remembers who injected him with the DNA altering substance. He also recollects how the other soldiers experienced unpredictable side effects, including fugue states, and is relieved to know that Cat isn't causing his blackouts. Vincent shares his memory about Murifield with Cat, who experiences some recollections of her own. Then, as Cat and Tess (Nina Lisandrello) investigate the attempted murder of a teen pop star (guest-star Max Schneider), Evan suspects that Cat is deliberately protecting the vigilante who saved him in the subway.

Also on TV tonight: CBS has another new Big Bang Theory at 8 PM, and also a new Elementary at 10 PM. There's a new Mad on Cartoon Network at 8. Travel has a new Mysteries at the Museum at 9.

Friday:

Fringe (9 PM, Fox):
At last, we're going to see the fallout of the "Observer Peter" storyline — and the Peter-Windmark showdown. Plus Jill Scott as a wise "oracle-like person." Who'd have thought it?

PETER PRESSES ON IN A PASSIONATE MISSION TO DEFEAT THE OBSERVERS - Olivia encounters a very intuitive and oracle-like person named Simone (guest star Scott) as she looks to recover a key piece of equipment for Walter. Meanwhile, Peter finds himself in a perilous situation as he observes Windmark (guest star Michael Kopsa.)

VGA Ten (9 PM, Spike):
This year's Video Game Awards features host Samuel L. Jackson and a "special video cameo from Neil Patrick Harris," and the contestants include a ton of science fiction and fantasy games:

Somehow, this week's episode of Haven managed to feature a self-disembowelment and a kid who…
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"Last Goodbyes" - Audrey works on the Bolt Gun Killer case with the only other person in Haven who hasn't succumbed to a deep sleep.

Also on TV tonight: There's a brand new Nikita on The CW at 8 PM. And there's a new Phineas & Ferb on Disney at 9 PM.

Saturday:

Star Wars: The Clone Wars (9:30 AM, Cartoon Network):
According to Wookieepedia, "A Sunny Day in the Void" is a special episode based on the art style of Jean Giraud, aka Moebius. Apparently this is a super experimental episode that is like the White Room in THX-1138. But we don't know anything about the plot or anything, at this point.

Over a campfire, Rainbow Dash decides to share some imaginative and spooky tales, causing Scootaloo to have frightening, vivid nightmares; Scootaloo wants to get rid of her nightmares but doesn't want the others to think she is spineless.

Holly's Holiday (8 PM, Lifetime):
You have to love the ludicrous holiday TV movies — this one is a take-off on Mannequin:

Holly's Holiday — Claire Coffee stars as advertising executive Holly, who can't quite imagine why she is so drawn to the handsome mannequin in the perfect holiday window display she passes every morning. When she is knocked unconscious by a falling icicle, her once fake window man becomes the man of her dreams, but she soon discovers that though his looks are perfect, his personality is still, well, plastic.

12 Disasters of Christmas (9 PM, Syfy):
Even Syfy is getting in on the Christmas TV movie business — with a "disaster movie" twist.

Just in time for the joyous holiday season, the new Syfy Original Movie '12 Disasters of Christmas takes on the ancient Mayan prophecy of worldwide destruction at the end of 2012. In '12 Disasters of Christmas, premiering Saturday, December 8 at 9PM (ET/PT) on "The Most Dangerous Night of Television," mysterious disasters connected to the Mayan prediction as well as the iconic holiday song, The 12 Days of Christmas, are systematically destroying a small town and spreading throughout the world. A father (Ed Quinn/Eureka, Starship Troopers 2) learns that his daughter (Magda Aponowicz/Kyle XY, Caprica) is really the "Chosen One" who, alone, can stop further catastrophe - if he can stave off the lunatic townspeople blaming her for the community's destruction. The movie also stars Battlestar Galactica's Donnelly Rhodes.

Also on TV today: A new Ben 10: Omniverse on Cartoon Network at 9 AM. Plus new episodes of Robot and Monster and Power Rangers on Nickelodeon at 12:30 PM. And a new Kaijudo: Rise of the Duel Masters on The Hub at 2 PM.

Sunday:

Help for the Holidays (8 PM, Hallmark):
At last, Summer Glau is taking a break from Terminators and super-badasses, and playing an elf, who gets sent to Los Angeles, in this new holiday TV movie:

You know, it's hard out there for an elf. First of all, you live up in the North Pole, where there's really nothing much to do. No malls. A crummy dating scene. And good luck trying to find a decent restaurant. Now imagine that this elf is young and beautiful, and she's stuck making toys all day long - and all night long, too. This is the premise that launches "Help for the Holidays," a charming Hallmark Channel Original Movie World Premiere on Sunday, December 9 (8p.m. ET/PT, 7C). The film stars Summer Glau ("Terminator: The Sarah Connor Chronicles") as Santa's elf Christine, a young lass busily making toys and getting bored to tears up in the Pole. Christine is convinced that this is pretty much as good as it's going to get when Santa receives an emergency wish from a little boy in Los Angeles. It seems that the boy is desperate for a genuine family Christmas with his too-busy clan, and it's Christine who gets dispatched to L.A. to help make it happen. She interviews to be the nanny for kids Ally (Izabela Vidovic, "Christmas Angel") and Will (Mason Cook," Spy Kids: All the Time in the World"), who are too often left unsupervised and dismissed as an afterthought by their parents Sara (Eva La Rue of "CSI: Miami") and Scott (Dan Gauthier of "One Life to Live"). Mom and Dad, you see, run a mega-successful holiday store, and as a result their kids too often get left without a real Christmas to call their own.

Tron Uprising (Midnight, Disney XD):
In sort of an odd move, this Tron spinoff is being moved from primetime to Sunday nights at midnight, followed by new episodes of Motorcity. It's possible they'll show the episodes as reruns at some point during a time when kids (and most adults) will be able to watch — but still, this isn't a great sign for the future of either of these shows. Anyway, here's the details of this week's Tron: "Mara tries to prove her leadership ability when she is put in charge of the garage while Able is away." And like I said, this is followed by a new Motorcity.

Robot Chicken (Midnight, Adult Swim):
Yes, even this show is having a Christmas special:

"Robot Chicken's ATM Christmas Special" - The Robot Chicken Christmas Special has Santa nearly missing Christmas; Kano from Mortal Kombat shares the holidays with Mrs. Cage; Justin Bieber's new song is bound to be a Christmas hit; The writers give G.I. Joe a very special Christmas.

Also on TV today: There's a new Winx Club on Nickelodeon at 1 PM. Plus our favorite, Dog With a Blog, on Disney at 8 PM. Plus some of the usual animated shows on Fox.